A grinding wheel initially runs at

PHYSICS · Single correct · A Level · Physics · Engineering physics · Engineering physics

Problem

600\,\text{rpm}

. It is subjected to a constant angular acceleration of

4\,\text{rad\,s}^{-2}

for

10\,\text{s}

. What is its angular speed at the end of this interval (in

\text{rad\,s}^{-1}

)? (a)

82.8

(b)

102.8

(c)

62.8

(d)

142.8